Icetech
Well-Known Member
That picture was taken in 1977. The blower was run at 30% under as if I spun it any faster it would blow the baffles out of the mufflers.I ended up with a 4" ex system and truck mufflers but I never spun it any faster it was a hand full the way it was...View attachment 1716469243
30 under make any boost? seems like a lot















